Chemical Property of Picloram
Chemical Property:
- Appearance/Colour:fine beige crystals or white powder
- Melting Point:215 °C
- Refractive Index:1.6770 (estimate)
- Boiling Point:420.5 °C at 760 mmHg
- PKA:4.1(at 25℃)
- Flash Point:208.1 °C
- PSA：76.21000
- Density:1.811 g/cm3
- LogP:2.90340
- Storage Temp.:0-6°C
- Solubility.:Soluble in acetone
- Water Solubility.:420 mg/L
- XLogP3:2.2
- Hydrogen Bond Donor Count:2
- Hydrogen Bond Acceptor Count:4
- Rotatable Bond Count:1
- Exact Mass:239.926010
- Heavy Atom Count:13
- Complexity:216
- Purity/Quality:
-
99% *data from raw suppliers
Picloram *data from reagent suppliers
Safty Information:
- Pictogram(s):
Xi
- Hazard Codes:Xi
- Statements:
36
- Safety Statements:
26
- MSDS Files:
-
SDS file from LookChem
Total 1 MSDS from other Authors
Useful:
- Chemical Classes:Pesticides -> Herbicides, Other
- Canonical SMILES:C1(=C(C(=NC(=C1Cl)Cl)C(=O)O)Cl)N
- Inhalation Risk:Evaporation at 20 °C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.
- Effects of Long Term Exposure:The substance may have effects on the liver.
-
Description
Picloram is a colourless crystal. It is very soluble in acetone, ethanol, benzene, and dichloromethane.
It is a systemic herbicide used for general woody plant control, sold under the
trade names Tordon and Grazon. It also controls a wide range of broad-leaved weeds, but
most grasses are resistant. It is used in formulations with other herbicides such as bromoxynil,
diuron, 2,4-D, MCPA, triclorpyr, and atrazine. It is also compatible with fertilisers.
Picloram, in the pyridine family of compounds, is a systemic herbicide used for control of
woody plants and a wide range of broad-leaved weeds. Most grasses are resistant to picloram,
so it is used in range management programs. Picloram is formulated either as an acid
(technical product), a potassium or triisopropanolamine salt, or an isooctyl ester, and is
available as either soluble concentrates, pellets, or granular formulations. The materials
in this document refer to the technical acid form unless otherwise indicated. Picloram
is stable under acidic, neutral and basic conditions. Picloram is formulated either as an
acid (technical product), a potassium or triisopropanolamine salt, or an isooctyl ester, and
is available as either soluble concentrates, pellets, or granular formulations and related
manufacturing impurities.
-
Uses
Systemic herbicide used to control most broad-leaved weeds on grassland and
noncrop areas. Use as a pesticide is restricted It is used as a herbicide and defoliant. Herbicide. Picloram is a dicot-selective, persistent herbicide and in salt
form is used to control a variety of annual weeds on crops,
perennial broadleaved herbs, and woody species in combination
with 2,4-D or 2,4,5-T. It can persist in an active form in
the soil from several months to years, and can also be released
from the roots of treated plants into the soil, where other nontarget
species may take it up and die. Picloram is of great use
in the management of unwanted vegetation in rangeland,
grass pastures, and forestry as well as non-cropland and rightsof-
way sites, such as around industrial and military installations,
roads, railways, airports, under power lines, and along
pipelines. Additional uses in some countries include in rice,
sugarcane, cereals, and oilseed rape.
